Search

Fred Tzeng

Examiner (ID: 5378)

Most Active Art Unit
2627
Art Unit(s)
2186, 2686, 2627, 2752, 2651, 2695, 2625
Total Applications
1789
Issued Applications
1607
Pending Applications
63
Abandoned Applications
139

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 639670 [patent_doc_number] => 07126779 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-24 [patent_title] => 'Tape media identification code' [patent_app_type] => utility [patent_app_number] => 10/497294 [patent_app_country] => US [patent_app_date] => 2001-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2267 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/126/07126779.pdf [firstpage_image] =>[orig_patent_app_number] => 10497294 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/497294
Tape media identification code Dec 3, 2001 Issued
Array ( [id] => 6066302 [patent_doc_number] => 20020032834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-03-14 [patent_title] => 'External storage control device and data transfer method between external storage control devices' [patent_app_type] => new [patent_app_number] => 09/987095 [patent_app_country] => US [patent_app_date] => 2001-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3005 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0032/20020032834.pdf [firstpage_image] =>[orig_patent_app_number] => 09987095 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/987095
External storage control device and data transfer method between external storage control devices Nov 12, 2001 Issued
Array ( [id] => 1048352 [patent_doc_number] => 06865047 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-08 [patent_title] => 'Single reel tape cartridge and recording and reproducing device using the tape cartridge' [patent_app_type] => utility [patent_app_number] => 10/169358 [patent_app_country] => US [patent_app_date] => 2001-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 36 [patent_no_of_words] => 23452 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/865/06865047.pdf [firstpage_image] =>[orig_patent_app_number] => 10169358 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/169358
Single reel tape cartridge and recording and reproducing device using the tape cartridge Nov 1, 2001 Issued
Array ( [id] => 6394720 [patent_doc_number] => 20020181139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-05 [patent_title] => 'Writing position data ex situ using an actuator retractable by a retractable support element' [patent_app_type] => new [patent_app_number] => 10/003506 [patent_app_country] => US [patent_app_date] => 2001-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4982 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0181/20020181139.pdf [firstpage_image] =>[orig_patent_app_number] => 10003506 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/003506
Writing position data ex situ using an actuator retractable by a retractable support element Oct 30, 2001 Issued
Array ( [id] => 1215791 [patent_doc_number] => 06710951 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-03-23 [patent_title] => 'Phase locked loop employing a fractional frequency synthesizer as a variable oscillator' [patent_app_type] => B1 [patent_app_number] => 09/999888 [patent_app_country] => US [patent_app_date] => 2001-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3547 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/710/06710951.pdf [firstpage_image] =>[orig_patent_app_number] => 09999888 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/999888
Phase locked loop employing a fractional frequency synthesizer as a variable oscillator Oct 30, 2001 Issued
Array ( [id] => 6394715 [patent_doc_number] => 20020181138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-05 [patent_title] => 'Vertically-oriented servo track writer and method' [patent_app_type] => new [patent_app_number] => 10/003457 [patent_app_country] => US [patent_app_date] => 2001-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5198 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0181/20020181138.pdf [firstpage_image] =>[orig_patent_app_number] => 10003457 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/003457
Vertically-oriented servo track writer and method Oct 30, 2001 Issued
Array ( [id] => 5919653 [patent_doc_number] => 20020114101 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-22 [patent_title] => 'Multi-frequency servo bursts in magnetic disc memory system' [patent_app_type] => new [patent_app_number] => 10/021444 [patent_app_country] => US [patent_app_date] => 2001-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7080 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0114/20020114101.pdf [firstpage_image] =>[orig_patent_app_number] => 10021444 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/021444
Multi-frequency servo bursts in magnetic disc memory system Oct 29, 2001 Issued
Array ( [id] => 5903246 [patent_doc_number] => 20020141091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-10-03 [patent_title] => 'Disc drive pattern zero verification test' [patent_app_type] => new [patent_app_number] => 10/033065 [patent_app_country] => US [patent_app_date] => 2001-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6820 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0141/20020141091.pdf [firstpage_image] =>[orig_patent_app_number] => 10033065 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/033065
Disc drive pattern zero verification test Oct 28, 2001 Issued
Array ( [id] => 1155302 [patent_doc_number] => 06775090 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-08-10 [patent_title] => 'Adapting logical track addresses in relation to head offsets' [patent_app_type] => B2 [patent_app_number] => 10/015144 [patent_app_country] => US [patent_app_date] => 2001-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5482 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/775/06775090.pdf [firstpage_image] =>[orig_patent_app_number] => 10015144 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/015144
Adapting logical track addresses in relation to head offsets Oct 25, 2001 Issued
Array ( [id] => 1126729 [patent_doc_number] => 06795264 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-09-21 [patent_title] => 'LBA tracking for system data management' [patent_app_type] => B2 [patent_app_number] => 10/007192 [patent_app_country] => US [patent_app_date] => 2001-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 35 [patent_no_of_words] => 10205 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/795/06795264.pdf [firstpage_image] =>[orig_patent_app_number] => 10007192 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/007192
LBA tracking for system data management Oct 24, 2001 Issued
Array ( [id] => 1215830 [patent_doc_number] => 06710966 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-03-23 [patent_title] => 'Method for reducing an effect of vibration on a disk drive during a track following operation by adjusting an adaptive-filter gain applied to an acceleration sensor signal' [patent_app_type] => B1 [patent_app_number] => 10/003943 [patent_app_country] => US [patent_app_date] => 2001-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2071 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/710/06710966.pdf [firstpage_image] =>[orig_patent_app_number] => 10003943 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/003943
Method for reducing an effect of vibration on a disk drive during a track following operation by adjusting an adaptive-filter gain applied to an acceleration sensor signal Oct 22, 2001 Issued
Array ( [id] => 1157604 [patent_doc_number] => 06771452 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-08-03 [patent_title] => 'Actuator of disc drive having shock damping device' [patent_app_type] => B2 [patent_app_number] => 09/977988 [patent_app_country] => US [patent_app_date] => 2001-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 2374 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/771/06771452.pdf [firstpage_image] =>[orig_patent_app_number] => 09977988 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/977988
Actuator of disc drive having shock damping device Oct 16, 2001 Issued
Array ( [id] => 571779 [patent_doc_number] => 07158328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-02 [patent_title] => 'Multi-phase acceleration of a data storage disc' [patent_app_type] => utility [patent_app_number] => 09/982366 [patent_app_country] => US [patent_app_date] => 2001-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 14345 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/158/07158328.pdf [firstpage_image] =>[orig_patent_app_number] => 09982366 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/982366
Multi-phase acceleration of a data storage disc Oct 16, 2001 Issued
Array ( [id] => 791301 [patent_doc_number] => 06985327 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-10 [patent_title] => 'Method and control scheme for compensating the coarse actuators undesired transients in dual stage control systems' [patent_app_type] => utility [patent_app_number] => 09/958782 [patent_app_country] => US [patent_app_date] => 2001-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3078 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/985/06985327.pdf [firstpage_image] =>[orig_patent_app_number] => 09958782 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/958782
Method and control scheme for compensating the coarse actuators undesired transients in dual stage control systems Oct 11, 2001 Issued
Array ( [id] => 1139676 [patent_doc_number] => 06785081 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-08-31 [patent_title] => 'Fly height detector' [patent_app_type] => B2 [patent_app_number] => 09/975294 [patent_app_country] => US [patent_app_date] => 2001-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4196 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/785/06785081.pdf [firstpage_image] =>[orig_patent_app_number] => 09975294 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/975294
Fly height detector Oct 10, 2001 Issued
Array ( [id] => 1139670 [patent_doc_number] => 06785080 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-08-31 [patent_title] => 'Method and apparatus for providing a variable rate oversampling digital filter for resonance compensation in disk drive servo control systems' [patent_app_type] => B1 [patent_app_number] => 09/974454 [patent_app_country] => US [patent_app_date] => 2001-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 7422 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/785/06785080.pdf [firstpage_image] =>[orig_patent_app_number] => 09974454 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/974454
Method and apparatus for providing a variable rate oversampling digital filter for resonance compensation in disk drive servo control systems Oct 8, 2001 Issued
Array ( [id] => 1163893 [patent_doc_number] => 06762902 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-07-13 [patent_title] => 'Time-varying, non-synchronous disturbance identification and cancellation in a rotating disk storage device' [patent_app_type] => B2 [patent_app_number] => 09/974698 [patent_app_country] => US [patent_app_date] => 2001-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5292 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/762/06762902.pdf [firstpage_image] =>[orig_patent_app_number] => 09974698 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/974698
Time-varying, non-synchronous disturbance identification and cancellation in a rotating disk storage device Oct 8, 2001 Issued
Array ( [id] => 6816748 [patent_doc_number] => 20030067706 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-04-10 [patent_title] => 'System and method for enhancing load/unload performance of low-flying heads in a disk drive' [patent_app_type] => new [patent_app_number] => 09/973296 [patent_app_country] => US [patent_app_date] => 2001-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2517 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0067/20030067706.pdf [firstpage_image] =>[orig_patent_app_number] => 09973296 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/973296
System and method for enhancing load/unload performance of low-flying heads in a disk drive Oct 8, 2001 Issued
Array ( [id] => 5919650 [patent_doc_number] => 20020114099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-22 [patent_title] => 'Magnetic disc apparatus' [patent_app_type] => new [patent_app_number] => 09/974316 [patent_app_country] => US [patent_app_date] => 2001-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 12888 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0114/20020114099.pdf [firstpage_image] =>[orig_patent_app_number] => 09974316 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/974316
Magnetic disc apparatus Oct 8, 2001 Abandoned
Array ( [id] => 1185156 [patent_doc_number] => 06738220 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-05-18 [patent_title] => 'Servo settling by utilization of a bias torque offset value which depends on the memory of previous seek operations' [patent_app_type] => B1 [patent_app_number] => 09/967790 [patent_app_country] => US [patent_app_date] => 2001-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 10268 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/738/06738220.pdf [firstpage_image] =>[orig_patent_app_number] => 09967790 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/967790
Servo settling by utilization of a bias torque offset value which depends on the memory of previous seek operations Sep 27, 2001 Issued
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